These "periwinkles" as they are called were found all over the rocky coasts of Koh Kood, clamped on to the sides of rocks.

According to Wikipedia:
The common periwinkle or winkle, Littorina littorea, is a species of small edible sea snail, a marine gastropod mollusc that has gills and an operculum, and is classified within the family Littorinidae, the periwinkles.[2]

This is a robust intertidal species with a dark and sometimes banded shell. It...more »

These "periwinkles" as they are called were found all over the rocky coasts of Koh Kood, clamped on to the sides of rocks.

According to Wikipedia:
The common periwinkle or winkle, Littorina littorea, is a species of small edible sea snail, a marine gastropod mollusc that has gills and an operculum, and is classified within the family Littorinidae, the periwinkles.[2]

This is a robust intertidal species with a dark and sometimes banded shell. It is native to the rocky shores of the northeastern, and introduced to the northwestern, Atlantic Ocean.« less